//引入数据库模块
const mysql = require("mysql");
//创建数据库连接池对象
const pool = mysql.createPool({
	host:'127.0.0.1',
	port:3306,
	user:'root',
	password:'',
	database:'aa',
	connectionLinit:20
});

//导出数据库连接池对象
module.exports = pool;